<style>
    body{
        background-color: #f9f9f9;
    }
    /*.xh-form tr td:nth-child(2n){*/
        /*padding: 5px 20px 5px 0;*/
        /*width: 50px;*/
    /*}*/
    /*td>label{*/
        /*margin-right: 10px;*/
        /*float: right;*/
    /*}*/
</style>
<form id="outArea_form" class="xh-form"  method="post">
    <div class="xh-area-form">
        <table style="width: 100%">
            <tr style="width: 100%">
                <td style="width: 15%" align="left"><label style="text-align: right">学段：</label></td>
                <td style="width: 25%"><select id="stage" class="form-control" name="stage"><option value="" selected>请选择</option></select></td>
                <td style="width: 15%" align="left"><label style="text-align: right">省份：</label></td>
                <td style="width: 45%"><select style="width: 70%" id="province" class="form-control" name="province"><option value="" selected>请选择</option></select></td>
            </tr>
            <tr>
                <table style="width: 100%">
                    <tr id="tr_1" style="display: table">
                        <td style="padding-left: 25px" ><div>请先选择学段和省份，再查看待设置地区</div></td>
                    </tr>
                    <tr id="tr_2" style="display: none">
                        <td style="float: right" align="right"><div id="name" style="font-size: 15px;"></div></td>
                        <td style="width: 80%"><div id="city" name="city" style="height:200px;overflow:auto" ></div></td>
                    </tr>
                </table>
            </tr>
        </table>
    </div>
</form>